Claws Mail

Claws Mail is a free and open-source, GTK+-based email and news client. It offers easy configuration and an abundance of features. It stores mail in the MH mailbox format and also the Mbox mailbox format via a plugin. Claws Mail runs on both Windows and Unix-like systems such as Linux, BSD, and Solaris.

Claws Mail
Main window of Claws Mail 2.7.1
Main window of Claws Mail 2.7.1
Developer(s)The Claws Mail Team
Initial releaseMay 11, 2001
Stable release3.17.3 (December 22, 2018[1]) [±]
Preview releaseNone [±]
Written inC (with GTK+)
Operating systemBSD, Linux, macOS, Solaris, Unix, Windows
TypeE-mail client, news client
LicenseGNU GPLv3


Formerly known as Sylpheed-Claws, it started in April 2001 as the development version of Sylpheed, where new features could be tested and debugged, but evolved enough to now be a completely separate program. It forked completely from Sylpheed in August 2005.


Claws Mail provides many features,[2] among them are:


Claws Mail is unable to send HTML mail. This is intentional. According to the developers, this decision has been made after a discussion, although no details are given.[5] It is still possible to receive HTML mail using Claws Mail.


Claws Mail's features can be extended with plugins,[6] such as

See also


  1. ^ "Releases". Retrieved 27 January 2019.
  2. ^ Features pages on
  3. ^
  4. ^
  5. ^ General Information - Claws Mail FAQ
  6. ^ Plugins page on

External links

Claw (disambiguation)

A claw is a sharp growth at the end of a toe or finger.

Claw or Claws may also refer to:

In entertainment:

In music

In comics and animation:

Other uses:

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Sylpheed is the default mail client in Lubuntu, Damn Small Linux and some flavours of Puppy Linux.

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